UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'py8i5jWkArk7D2aKSgtNWRRIB4gkMtQAagMi12g0bbk=' 
WHERE 
  key_id = '77f5a8818c8ec0db94932e43acc91b0a4cb2b2300e0bb15c18f1a88b4cf0e891' 
  AND (
    token = 'py8i5jWkArk7D2aKSgtNWRRIB4gkMtQAagMi12g0bbk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )